Alc/mixer_sse.c

   1 #include "config.h"
   2
   3 #ifdef HAVE_XMMINTRIN_H
   4 #include <xmmintrin.h>
   5 #endif
   6
   7 #include "AL/al.h"
   8 #include "AL/alc.h"
   9 #include "alMain.h"
  10 #include "alu.h"
  11
  12
  13 static __inline void ApplyCoeffs(ALuint Offset, ALfloat (*RESTRICT Values)[2],
  14                                  ALfloat (*RESTRICT Coeffs)[2],
  15                                  ALfloat left, ALfloat right)
  16 {
  17     const __m128 lrlr = { left, right, left, right };
  18     ALuint c;
  19     for(c = 0;c < HRIR_LENGTH;c += 2)
  20     {
  21         const ALuint o0 = (Offset++)&HRIR_MASK;
  22         const ALuint o1 = (Offset++)&HRIR_MASK;
  23         __m128 vals = { 0.0f, 0.0f, 0.0f, 0.0f };
  24         __m128 coeffs = { 0.0f, 0.0f, 0.0f, 0.0f };
  25
  26         vals = _mm_loadl_pi(vals, (__m64*)&Values[o0][0]);
  27         vals = _mm_loadh_pi(vals, (__m64*)&Values[o1][0]);
  28         coeffs = _mm_loadl_pi(coeffs, (__m64*)&Coeffs[c  ][0]);
  29         coeffs = _mm_loadh_pi(coeffs, (__m64*)&Coeffs[c+1][0]);
  30
  31         vals = _mm_add_ps(vals, _mm_mul_ps(coeffs, lrlr));
  32
  33         _mm_storel_pi((__m64*)&Values[o0][0], vals);
  34         _mm_storeh_pi((__m64*)&Values[o1][0], vals);
  35     }
  36 }
  37
  38 #define SUFFIX SSE
  39 #define SAMPLER point32
  40 #include "mixer_inc.c"
  41 #undef SAMPLER
  42 #define SAMPLER lerp32
  43 #include "mixer_inc.c"
  44 #undef SAMPLER
  45 #define SAMPLER cubic32
  46 #include "mixer_inc.c"
  47 #undef SAMPLER
  48 #undef SUFFIX